A、there are fifteen pounds of CO2 in the container
B、the container，when full，weighs fifteen pounds
C、the pressure at the discharge nozzle is l5 psi
D、the empty container weighs fifteen pounds
更多“A “fifteen-pound” CO<sub>2</sub> extinguisher is so called because（）.”相关的问题
A、there are fifteen pounds of CO2 in the container B、the container，when full，weighs fifteen pounds C、the pressure at the discharge nozzle is l5 psi D、the empty container weighs fifteen pounds
A、contains 15 pounds of CO2 B、weighs 15 pounds when full of CO2 C、has 15 pounds of pressure at the nozzle D、weighs 15 pounds when empty
A、给下列化合物命名并写出（或绘出）其结构： B、（1）Fe（CO）5 C、（2）Ni（CO）4 D、（3）Mo（CO）6 E、（4）Mn2（CO）10 F、（5）V（CO）6 H、（6）[PtCl3（C2H4）]-
A、A、H2、N2、CO、CO2、CH4、H2O B、B、H2、N2、H2O、CO2、CH4、CO C、C、H2、H2O、CO、CO2、CH4、N2 D、D、H2O、CO2、CH4、CO、N2、H2
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